#include <stdio.h>
int main() {
	char ch = 'r';
	int val = 56;
	float fval = 0.3f;
	void *p_v = NULL;
	p_v = &ch;
	printf("%c\n",*(char*)p_v);
	p_v = &val;
	printf("%d\n",*(int*)p_v);
	p_v = &fval;
	printf("%g\n",*(float*)p_v);
	return 0;
}
